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Electric Circuits

Electric Circuits
Condition of symmetry in Z-parameter representation is

 Z12 = Z21.
 Z11 = Z12.
 Z11 = Z22.
 Z12 = Z22.

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Electric Circuits
What will be the capacitance when distance between the 2 plates of a condenser of capacitance 8 micro farad is reduced from 10 mm to 4 mm?

 20 microfarad.
 8 microfarad.
 3.2 microfarad.
 1 microfarad.

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Electric Circuits
The ratio of the resistance of a 200 W, 230 V lamp to that of a 100 W, 115 V lamp will be

  2.
 0.25.
 4.
  0.5.

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Electric Circuits
Select the wave that has the least value of form factor.

 Rectangular wave.
 Triangular wave.
 Square wave.
 Sine wave.

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Electric Circuits
Three capacitors each of capacity C are given. The resultant capacity (2/3) C can obtained by using them

 all in series.
 two in parallel and third in series with this combination.
 two in series and third in parallel across this combination.
 all in parallel.

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Electric Circuits
The mass of the atom is determined by

 neutron and proton.
 electron and proton.
 proton.
 electrons.

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MORE MCQ ON Electric Circuits

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